83089220 has 12 divisors (see below), whose sum is σ = 174487404. Its totient is φ = 33235680.

The previous prime is 83089219. The next prime is 83089231. The reversal of 83089220 is 2298038.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18800896 + 64288324 = 4336^2 + 8018^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2077211 + ... + 2077250.

It is an arithmetic number, because the mean of its divisors is an integer number (14540617).

Almost surely, 2^83089220 is an apocalyptic number.

It is an amenable number.

83089220 is an abundant number, since it is smaller than the sum of its proper divisors (91398184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83089220 is a wasteful number, since it uses less digits than its factorization.

83089220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4154470 (or 4154468 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 83089220 is about 9115.3288476061. The cubic root of 83089220 is about 436.3633099482.

The spelling of 83089220 in words is "eighty-three million, eighty-nine thousand, two hundred twenty".